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bupBorgBackup
Free

Free and open source.

 Free

Free and open source, with no paid edition.

macOS, Linux, Command line Linux, macOS, Command line
  • Global deduplication across and within files
  • Fast incremental saves
  • Content-defined chunking that survives files being renamed, moved or shifted around
  • Authenticated AES encryption, so an untrusted backup server only ever sees ciphertext
  • Command line only
  • Development discussion happens on a mailing list rather than GitHub issues
  • Primarily a Unix tool; on Windows it needs WSL or Cygwin rather than a native build
  • Borg 2 is still in beta, ships breaking changes between betas and should not hold production backups
Downloadable app Downloadable app
Open source Open source
License: LGPL-2.1 License: BSD-2-Clause
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.